Terpolymer-coated polymer encapsulated active material
AssigneeInternational Flavors & Fragrances Inc.
InventorsTakashi Sasaki, Johan Pluyter, Lewis Michael Popplewell
Life of this patent
Estimating the term…
Abstract
A polymeric encapsulated fragrance is disclosed which is suitable for use in personal care and cleaning products. In a preferred embodiment of the invention the fragrance is encapsulated by a first polymer material to form a fragrance encapsulated polymer, the polymer encapsulated shell is then coated with a cationic polymer, preferably a terpolymer composed of methacrylamidopropyl trimethyl ammonium chloride, acrylamide and acrylic acid.
Claims6
A composition comprising an active material, said active material encapsulated by a polymer to provide a polymer encapsulated active material, the polymer encapsulated active material is further coated by a terpolymer comprising methacrylamidopropyl trimethyl ammonium chloride, acrylamide and acrylic acid.
A method for imparting an olfactory effective amount of fragrance into a wash-off product comprising
- (a) encapsulating a fragrance material with a polymer to form a polymer encapsulated fragrance;
- (b) providing a terpolymer comprising methacrylamidopropyl trimethyl ammonium chloride, acrylamide and acrylic acid to the surface of the polymer encapsulated fragrance to forma coated polymer encapsulated fragrance;
- and
- (c) providing the coated polymer encapsulated fragrance to a wash-off product.
Dependencies are inferred from the claim text.